Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1974-03-25
1976-05-25
Safourek, Benedict V.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
250227, 334 87, 340380, 350 96B, H04B 106
Patent
active
039597296
ABSTRACT:
A receiver selectively and variably tunable to one of a number of broadcast stations has an electro-optic tuning indicator for providing a visual indication of a selected station. The indicator includes a station encoder having a plurality of sets of indicia representative of a plurality of frequencies of the broadcast stations which are arranged to move past a reading station as the receiver is tuned. Positioned at the reading station is an optical reader including a light source arranged on one side of the station encoder and a fiber optic bundle having its proximal end arranged on the opposite side of the station encoder for alignment with a set of indicia. A photoelectric device forming the input to an electrical digital decoder is coupled to the distal end of the fiber optic bundle. The output of the digital decoder is coupled to a digital display. When the receiver is tuned to a station, light is transmitted through a set of indicia aligned at the reading station and the fiber optic bundle to the electrical decoder where it is detected and translated into signals for activating the digital display.
REFERENCES:
patent: 3222666 (1965-12-01), Hallden
patent: 3555539 (1971-01-01), Richards
patent: 3639747 (1972-02-01), Schmidt
patent: 3693019 (1972-09-01), Grenda et al.
patent: 3753119 (1973-08-01), Close
patent: 3857361 (1974-12-01), Gibson et al.
patent: 3889196 (1975-06-01), Gibson et al.
Matsushita Electric - Industrial Co., Ltd.
Psitos Aristotelis M.
Safourek Benedict V.
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