Communications: electrical – Continuously variable indicating – With meter reading
Patent
1998-05-06
2000-02-15
Vu, David H.
Communications: electrical
Continuously variable indicating
With meter reading
343877, H04Q 700
Patent
active
060257865
ABSTRACT:
A transmitter (12) for a remote control convenience system (10) has a housing (22). A pushbutton (e.g., one of 24-30) is located on the sousing (22) and is manually actuatable for requesting remote control performance of a function by a remotely located receiver (14). Transmit circuitry (32) of the transmitter (12) is located within the housing (22) and is operatively connected to the pushbuttons (e.g., one of 24-30). The transmit circuitry (32) outputs an electrical signal that conveys a message requesting performance of the function in response to actuation of the pushbutton. A flexible antenna (34) is operatively connected to receive the electrical signal from the transmit circuitry (32) and to output a signal (18) intended for reception by the receiver (14). The antenna (34) has a stored position coiled inside the housing (22) and an extended position extending outside of the housing. A rotatable spool (42) supports the antenna (34) within the housing (22), and permits extension and retraction of the antenna relative to the housing (22).
REFERENCES:
patent: 1106729 (1914-08-01), Rouzet
patent: 5281970 (1994-01-01), Blaese
patent: 5446469 (1995-08-01), Makino
patent: 5534878 (1996-07-01), Johnson
patent: 5835070 (1998-11-01), Scaraglino
patent: 5864297 (1999-01-01), Sollestre et al.
Chen Shih-Chao
TRW Inc.
Vu David H.
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