Title:
TELEVISION TUNER UNIT
Document Type and Number:
Japanese Patent JP3225983
Kind Code:
B2
Abstract:
PURPOSE: To provide the television tuner unit which facilitates adjustments in manufacture processes including even a sound multiplexing circuit and has stable performance.
CONSTITUTION: A tuner part 101 including a high frequency circuit and a mixer circuit, a video and sound intermediate frequency circuit 102 including a video intermediate frequency amplifying circuit, a video detecting circuit, a sound detecting circuit, a sound intermediate amplification frequency circuit, and an FM demodulating circuit, and a sound multiplexing circuit part 103 are incorporated in a single shield block housing 100. The intermediate frequency circuit part 102 and sound multiplexing circuit part 103, and tuner part 101 and intermediate frequency circuit part 102 are connected directly to each another in the housing 100.
Inventors:
Yukinori Hidaka
Yuji Sakai
Yuji Sakai
Application Number:
JP14427593A
Publication Date:
November 05, 2001
Filing Date:
May 24, 1993
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04B1/08; H04B1/26; H04N5/44; (IPC1-7): H04B1/26; H04B1/08; H04N5/44
Domestic Patent References:
| JP63151229A |
Attorney, Agent or Firm:
Masami Sato