Communications: electrical – Continuously variable indicating – With meter reading
Patent
1986-12-15
1988-09-06
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
3581941, 455603, H04N 544, H04Q 702
Patent
active
047696435
ABSTRACT:
A transmitter driver of this invention is applied to a programmable remote control transmitter for receiving remote control codes for remote-controlling various electric devices in the learning mode and for remote-controlling the electric devices according to the received remote control codes in the remote control mode. The transmitter driver has an output transistor for driving a transmitter constituting a part of a load upon reception of electrical pulses representing the remote control codes, a resistor device arranged between the output side of the output transistor and a given reference potential, and a control transistor device, output electrodes of which are arranged between one end of the resistor device at the side of the output transistor and the reference potential. An input terminal of the control transistor device receives a control signal corresponding to an output signal format of remote control codes necessary for controlling an electric device selected by a user.
REFERENCES:
patent: 4481676 (1984-11-01), Eumurian et al.
patent: 4514732 (1985-04-01), Hayes, Jr.
patent: 4517564 (1985-05-01), Morishita et al.
patent: 4623887 (1986-11-01), Welles, II
patent: 4703359 (1987-10-01), Rumbolt et al.
Emanuel Peter M.
General Electric Company
Nieves Carlos
Whitacre Eugene M.
Yusko Donald J.
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