Title:
識別記号および雌牛発情期表示器
Document Type and Number:
Japanese Patent JP3602132
Kind Code:
B2
Abstract:
A device for transmitting data from a movable unit such from a domestic animal contains a conventional passive transponder unit (1) which is coupled to an antenna (3). The transponder (1) comprises means (23) for storing electrical energy comprised in electrical voltage pulses received on the antenna (3) and can by means of the stored energy transmit on the antenna (3) pulse sequences carrying information such as identification data for the device. Further, in the device a permanent electrical current source such as a lithium battery (9) is provided, which powers a processor (7). The processor (7) receives signals from a motion sensor (15) and is coupled to a transmitter (11) having an antenna (13) and can activate the transmitter (11) for transmitting radio signals having a good range, when the motion detector (15) signals an increased activity, such as for a non-milking cow during the estrus period.
Inventors:
Anderson, Lars
Application Number:
JP50075696A
Publication Date:
December 15, 2004
Filing Date:
June 01, 1995
Export Citation:
Assignee:
DeLaval Holding AB
International Classes:
A01K11/00; A61B10/00; A61D17/00; G01S13/75; G01S13/76; G01S13/79; A01K67/00; G08B23/00; H04B7/26; (IPC1-7): G01S13/75; A01K67/00; G01S13/76; G01S13/79; H04B7/26
Domestic Patent References:
| JP3123283U | ||||
| JP635287A | ||||
| JP6390184U |
Foreign References:
| US4247758 | ||||
| US0511799 |
Attorney, Agent or Firm:
Akio Miyazaki
Katsuhiro Ito
Ishibashi Masayuki
Katsuhiro Ito
Ishibashi Masayuki