Title:
INTERPHONE, VIDEO INTERPHONE, AND INTERPHONE SPEECH SYSTEM
Document Type and Number:
Japanese Patent JP3694722
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To smoothly call a prescribed person by ringing a different call tone corresponding to an individual call switch so as to directly deliver a call to the prescribed person.
SOLUTION: A call tone generating means 3 rings a different call tone corresponding to a plurality of individual call switches 2. It is desirable that a number is given to each individual call switch 2 corresponding to respective people or a prescribed person name is displayed to prevent mis-operation. Furthermore, a light emitting section 4 denoting an operating state of each switch is provided so as to easily recognize the operating state. The call tone generating means 3 may specify a person depending on number of times of ringing of a single tone such as a buzzer tone or an electronic tone or a message corresponding to individual is set and generated in interlocking with the operation of the individual switches 2. Thus, a prescribed person can directly and simply be called. Furthermore, the call tone generating means 3 is provided with a loudspeaker to realize a preferable hand-free interphone.
Inventors:
Masahiro Kikuchi
Application Number:
JP32282298A
Publication Date:
September 14, 2005
Filing Date:
October 27, 1998
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
H04N7/18; H04M9/00; (IPC1-7): H04M9/00
Domestic Patent References:
| JP10136109A | ||||
| JP7074820A | ||||
| JP5252514A | ||||
| JP6339144A | ||||
| JP7046330A | ||||
| JP9051381A | ||||
| JP1162963U | ||||
| JP5327895A |
Attorney, Agent or Firm:
Hiroyuki Nakai