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WO/1990/013983A1 |
A portable receiver (20) has a time of day clock (36) and receives a signal indicative of the location of the portable receiver. The portable receiver has a memory means (38) which has a plurality of locations with corresponding time zon...
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WO/1990/013189A1 |
An electrical device has a power supply (32) which has a varying electrical condition. In response to the varying electrical condition equaling a predetermined electrical condition an indication is generated. The indication indicates the...
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WO/1990/013195A1 |
An analog-to-digital voice storage cellular telephone for recording voice messages while the user is away from the cellular telephone unit. In a preferred embodiment, the analog-to-digital voice storage cellular telephone comprises call ...
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WO/1990/013213A1 |
A radio pager (1) comprises an aerial (2) connected to a radio receiver (3) for receiving information transmitted by a radio paging network (4). Information received by the radio pager (1) can be communicated to a micro-computer (9) link...
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WO/1990/011585A1 |
An emergency vehicle audible warning system and method for improving emergency vehicle mission effectiveness and reducing the undesirable side effects or emergency vehicle audible warning systems. The audible warning system projects diff...
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WO/1990/011654A1 |
A paging receiver (12) having acknowledge back capability is provided with the capability to request a received message to be forwarded to an alternate paging receiver in a paging system (10) after having received its address and associa...
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WO/1990/010904A1 |
This invention relates to a paging system comprising a paging controller (10) and a paging receiver (49). In the preferred embodiment, three indications are transmitted from the paging controller (10) to the paging receiver (49), these b...
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WO/1990/010987A2 |
A centralized communication system controller (102) measures and stores a historical record of each subscriber unit's communication activity. By examining this historical record, the controller predicts the subscriber unit's communicatio...
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WO/1990/010359A1 |
A pager identifies a specifically coded incoming signal (32) and alerts the user of the reception of the specifically coded signal by a first alert mode (37, 46) when the first alert mode is selected (36, 45) or by a second alert mode wh...
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WO/1990/009082A1 |
A pager receiver including a conventional address decoder (16), an alert envelope waveform generator (26), and an alert function mapper (34) is disclosed. The pager is individually and uniquely characterized by programming the alert func...
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WO/1990/008446A1 |
The present invention provides a pager system which integrates a plurality of transmitters (202-206) which operate at different frequencies and which transmits messages using a variety of protocols. The receiver includes a front end (101...
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WO/1990/000297A1 |
An individual desiring to operate a pager (14 or 14') via voice commands (32, 48, 50) sends a message to a repository of voice recongnition codebooks requesting access to a particular codebook. The repository device(s) respond by transmi...
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WO/1989/010044A1 |
An acknowledge back paging system (10) is provided for transferring a voice message to a paging receiver (12). The system includes a paging controller (22), a controller encoder/decoder (16), and a transmitting means (18). The paging con...
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WO/1989/007873A1 |
A paging network (10) is disclosed which utilizes a plurality of distributed switches (12, 14 and 16) to transmit pages on a non-real time basis to achieve efficient and low cost transmission. Each of the switches processes packets of pa...
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WO/1989/007809A1 |
A paging network (10) is disclosed which utilizes a plurality of distributed switches (12, 14 and 16) to transmit pages on a non-real time basis to achieve efficient and low cost transmission. Each of the switches processes packets of pa...
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WO/1989/007811A1 |
A paging network (10) is disclosed which utilizes a plurality of distributed switches (12, 14 and 16) to transmit pages on a non-real time basis to achieve efficient and low cost transmission. Each of the switches processes packets of pa...
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WO/1989/007808A1 |
A paging network (10) is disclosed which utilizes a plurality of distributed switches (12, 14 and 16) to transmit pages on a non-real time basis to achieve efficient and low cost transmission. Each of the switches processes packets of pa...
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WO/1989/007810A1 |
A paging network (10) is disclosed which utilizes a plurality of distributed switches (12, 14 and 16) to transmit pages on a non-real time basis to achieve efficient and low cost transmission. Each of the switches processes packets of pa...
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WO/1989/006478A1 |
An electronic paging receiver (10) for reminding a user of an important event includes a time of day clock (64) for recording the time when a data message is received. The paging receiver computes a future alert time to remind the user o...
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WO/1989/006477A1 |
A communication receiver is disclosed which can turn itself on or off depending upon the time of day. When the receiver is on, normal battery saving is performed. A time of day clock (60) generates a time signal which is compared to pred...
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WO/1989/006409A1 |
An acknowledge back (ack-back) pager (121, 122, ...) is provided for use in a paging system (100) which includes a central station (110) which transmits a group of message signals to a group of ack-back pagers (121, 122, ...) which are a...
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WO/1989/006407A1 |
An acknowledge back (ack-back) paging system (100) is provided which includes a central station (110) which transmits a group of message signals to a group of ack-back pagers (121, 122,...) which are addressed as a group. The users of th...
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WO/1989/006474A1 |
A portable communications device is provided having a receiver (14) and decoder (16) for receiving and decoding transmitted selective call paging signals and messages. The receiver (14) and decoder (16) further provide user selectable fu...
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WO/1989/006408A1 |
A combined radio pager/analog timepiece is disclosed of the type that may be worn on the wrist of the user. The device includes a stepping motor (20) to periodically advance the second hand of the watch portion (14). The voltage pulse de...
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WO/1989/006410A1 |
An acknowledge back (ack-back) pager is provided for use in a paging system (100) including a central station (110) which transmits a group of message signals to a group of ack-back pagers (121, 122, ...) which are addressed as a group. ...
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WO/1989/004527A1 |
A paging device includes a radio receiver (10-20) and decoding circuitry (22) for receiving an encoded transmitted signal and operates an indicator (26) to alert a user a call has been received. A signal strength detector (30) monitors t...
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WO/1989/004579A1 |
A selective call paging receiver (10) for receiving analog voice information converts the analog information to digital information and stores the digital information in a memory (50) of the paging receiver. In a first embodiment, the pa...
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WO/1989/004025A1 |
A paging receiver (10) is disclosed which is compatible with transmissions from analog or digital paging transmitters. The paging receiver has a command structure which permits it to be dynamically programmable to change its functionalit...
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WO/1989/001264A1 |
An analog communication system having an analog-to-digital storage system including a transmitter (350) and at least one remote receiver (10, 358) for receiving an incoming signal carrying an analog component. The system is adapted to tr...
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WO/1988/009104A1 |
A pager based information system (2) is used to transmit both conventional individual and group messages (using pager capcodes (76) for pager identification) and three types of unconventional multi-recipient (M-R) messages (using databas...
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WO/1988/009091A1 |
A pager (6) based information system is used to transmit both conventional private messages (using unique pager IDs) and two types of unconventional multirecipient (M-R) messages (using database IDs and group IDs), all using the conventi...
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WO/1988/005184A1 |
A wrist worn device includes a digital watch circuit (20) and a receiver (14) circuit which responds to coded message signals including selective call signalling and message information. An input steering circuit (34) interfaces between ...
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WO/1988/005247A1 |
A communication receiver which can decode signals transmitted by radio frequency propagation. A programmable controller (36) uses instructions in a non-volatile reprogrammable memory (46) to decode and process the signals, and to output ...
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WO/1987/004309A1 |
A radio paging apparatus (100) with an LPC speech synthesizer (112). The paging apparatus of the present invention includes a controller and decoder (106), and a microprocessor controlled speech synthesizer (112) both coupled to a dual p...
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WO/1987/000994A1 |
A wide area paging system which interconnects conventional radio common carriers (RCC) (1) for broadcasting page information to a remote paging receiver (4). A plurality of RCCs in each geographical area served by the paging system of th...
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WO/1986/004476A1 |
A transmission for a radio pager includes ''label'', ''address'' and ''message'' signals, preferably in that order. The pager stores the label and message signals in buffers (16, 18) and if the appropriate address is detected by a compar...
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WO/1986/003645A1 |
A wide area paging system can broadcast paging messages input in one local area to a receiver in any other local area. A local area clearinghouse stores resident subscriber data including current location and receiver serial number. This...
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WO/1986/003317A1 |
In a method of receiving messages transmitted by radio in the form of coded characters, particularly a receiver for personnel location, there is included storing a message in blocks together with error indication, storing the same messag...
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WO/1986/003353A1 |
Apparatus for detecting energisation of a first acoustic signal source, such as a doorbell, telephone, or other generator of alerting signals, and operable to attenuate acoustic signals which may be generated from a further source, such ...
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WO/1986/003318A1 |
In a method of establishing, in the reception of messages in the form of characters sent by radio, particularly messages to personnel locators, that the latest of the received messages is identical with a previously received and stored m...
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WO/1985/005240A1 |
A communication system for carrying messages via a radio channel between one central site (100) of a plurality of central sites and a plurality of two-way remote data units (106). Each central site (100) has a radio coverage area (300) a...
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WO/1985/003824A1 |
An RF communications system (10) comprising at least two RF transmitters for broadcasting RF signals, each transmitter (12) broadcasting on a different frequency but each signal including an identical pilot signal (16). The RF communicat...
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WO/1985/002962A1 |
A programmable bias circuit (16), (40) for use with a data limiter circuit. The limiter and bias circuit (16) are coupled to a portable data receiver (10) which is adapted to communicate in a coded system. Frequency disparities between a...
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WO/1984/003973A1 |
An apparatus to assist people to locate articles which are not immediately discernible to the eye. It comprises a self-contained device adapted to be secured to or incorporated into an article to be located (such as a set of keys) which ...
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WO/1984/002788A1 |
A device for under-water signalling has a chamber (38) which is normally closed by a replaceable element (39). A cartridge (16) in the device can be fired to release gas into the chamber and rupture the element (39), thus causing a sound...
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WO/1984/002437A1 |
In transmission by radio of personal paging calls synchronous radio transmission from several transmitters is often used, i.e. the transmitters send on the same frequency. The characters of the call must also be sent simultaneously from ...
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WO/1984/002436A1 |
In transmission by radio of personal paging calls synchronous radio transmission from several transmitters is often used, i.e. the transmitters send on the same frequency. The characters of the call must also be sent simultaneously from ...
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WO/1983/003737A1 |
A warning device (10), typically situated in an illuminated exit warning sign, broadcasts voice commands generated by a synthetic speech synthesizer (U3) via speaker (SP1). A programmable microcomputer (U2) senses a loss of AC power and ...
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WO/1982/004491A1 |
Method of implementing a calling process bound to a person in the internal communication of a factory, office or any other corresponding organization, in which a communication system capable of duplex signalling and comprising terminals ...
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WO/1982/002971A1 |
An electronic warning system comprises a signal generator, a power amplifier and at least one loudspeaker. Means may be provided to adjust the overall acoustic output of the amplifier, to adjust the level of each loudspeaker and to vary ...
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