Communications: electrical – Continuously variable indicating – With meter reading
Patent
1987-02-09
1990-02-27
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
340825720, 340825690, 455603, H04Q 700
Patent
active
049049933
ABSTRACT:
A communication apparatus for a remote control apparatus, for example, in order to lock or unlock doors or a trunk of a vehicle selects a radio signal or optical signal in accordance with the conditions between the transmitter and receiver. Its transmitter is provided with a radio signal sending circuit, an optical signal sending circuit and a selection circuit which selects any one circuit for operation and a receiver which is provided with a radio signal receiving circuit which receives a radio signal transmitted from said radio signal sending circuit and an optical signal receiving circuit which receives an optical signal transmitted from said optical signal sending circuit.
REFERENCES:
patent: 3112486 (1963-11-01), Adler
patent: 3513443 (1970-05-01), Andersen
patent: 3590271 (1971-06-01), Peters
patent: 4412218 (1983-10-01), Niitsu
patent: 4415065 (1983-11-01), Sandstedt
patent: 4422071 (1983-12-01), de Graaf
patent: 4509093 (1985-04-01), Stellberger
patent: 4531115 (1985-07-01), Black et al.
patent: 4539710 (1985-09-01), Dinsmore
Alps Electric Co. ,Ltd.
Ogonowsky Brian D.
Shoup Guy W.
Winters Paul J.
Yusko Donald J.
LandOfFree
Remote control apparatus with selectable RF and optical signal t does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Remote control apparatus with selectable RF and optical signal t, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Remote control apparatus with selectable RF and optical signal t will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-176364