Telecommunications – Transmitter – With electrical protection of transmitter circuit or operator
Patent
1978-04-03
1980-04-01
Safourek, Benedict V.
Telecommunications
Transmitter
With electrical protection of transmitter circuit or operator
455127, 455115, 330128, H03G 320, H04B 104
Patent
active
041963920
ABSTRACT:
A method and apparatus for monitoring and controlling the anode power dissipation of transmitters. First and second signals proportional to the anode power input and anode power output are produced and subtracted from each other, thus resulting in a third signal proportional to anode power dissipation. The third signal is applied to a pair of threshold value actuators, with one threshold value actuator actuating transmitter tuning elements when an initial threshold level is exceeded, and the second threshold actuator switching the transmitter off when a second threshold is exceeded.
REFERENCES:
patent: 3020529 (1962-02-01), Turner
patent: 3870957 (1975-03-01), Straw
patent: 4019150 (1977-04-01), Lurey
patent: 4122400 (1978-10-01), Mendendorf
Luchinger Hanspeter
Snedkerud Ole
Wyss Jurg
BBC Brown Boveri & Company Limited
Chin Tommy P.
Safourek Benedict V.
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