公开(公告)号：KR820002356B1

公开(公告)日：1982-12-23

申请号：KR790000603

申请日：1979-02-27

Applicant: RCA CORP

Inventor： RUTISHAUSER E

IPC: H04N5/14

Abstract: A protection circuit for limiting the power dissipation of a video output amplifier when high frequency signals of significant magnitude and with a high density of occurrence(e.g.,noise during vacant channel reception) are supplied to the amplifier. The protection circuit includes a control transistor and a sensing network. The sensing network monitors a video signal coupling path to detect the presence of high frequency signals, and derives a voltage representative thereof. The derived voltage is insufficient to render the control transistor operative under normal signal conditions.

公开(公告)号：NZ189661A

公开(公告)日：1982-12-21

申请号：NZ18966179

申请日：1979-02-15

Applicant: RCA CORP

Inventor： RUTISHAUSER E

IPC: H02H7/20 ,  H03F1/42 ,  H03F1/52 ,  H04N5/14

公开(公告)号：BR7705236A

公开(公告)日：1978-06-06

申请号：BR7705236

申请日：1977-08-08

Applicant: RCA CORP

Inventor： RUTISHAUSER E ,  CARNT P ,  SCHIESS J

IPC: H04N11/20 ,  H04N9/85 ,  H04N9/02

Abstract: Color encoding format for a color picture information record, and recording apparatus therefor, are disclosed for recording of discs for use with both (1) disc players designed to provide PAL-type outputs for driving PAL-type color television receivers, and (2) disc players designed to provide SECAM-type outputs for driving SECAM-type color television receivers. In players, up-conversion of recovered composite signal precedes comb filtering to separate luminance and chrominance components. Decoding of up-converted chrominance component, to obtain baseband color-difference signal information is followed by remodulation of a carrier pursuant to a desired output format. Comb filter arrangements of U.S. Pat. No. 3,969,757 are used when up-conversion shifts color subcarrier to a frequency in vicinity of PAL subcarrier frequency, but bearing odd integral multiple relationship to half the line frequency. Differing comb filter arrangements are employed when up-conversion shifts color subcarrier to PAL subcarrier frequency. Demodulation/remodulation arrangement involving the separate detection and remodulation use of two color-difference signals, as well as system requiring detection and remodulation use of only one color-difference signal, are disclosed.

公开(公告)号：SE326996B

公开(公告)日：1970-08-10

申请号：SE89767

申请日：1967-01-20

Applicant: RCA CORP

Inventor： RUTISHAUSER E

IPC: H03H7/34 ,  H03H7/30

Abstract: 1,168,611. Delay lines. RADIO CORPORATION OF AMERICA. 13 Jan., 1967 [21 Jan., 1966], No. 2855/66. Heading H1W. A distributed-constant delay line, for use e.g. in the luminance channel of a TV receiver, comprises a flat former 1, a conductive strip 2 disposed (e.g. by printing) an the surface of the former, a dielectric layer 3 overlying at least the central portion of the strip and a singlelayer winding 4, of e.g. enamelled copper wire, around the former 1 and layer 3. The whole may be encapsulated in a jacket 5 of insulating material. The ends 4a, 4b of the winding may be looped through holes in the former.