JPS57212880A - Automatically switchable directional antenna device - Google Patents

Automatically switchable directional antenna device

Info

Publication number
JPS57212880A
JPS57212880A JP9912481A JP9912481A JPS57212880A JP S57212880 A JPS57212880 A JP S57212880A JP 9912481 A JP9912481 A JP 9912481A JP 9912481 A JP9912481 A JP 9912481A JP S57212880 A JPS57212880 A JP S57212880A
Authority
JP
Japan
Prior art keywords
circuit
antenna elements
switching
noise component
receiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9912481A
Other languages
English (en)
Inventor
Minoru Miyata
Hirosuke Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9912481A priority Critical patent/JPS57212880A/ja
Publication of JPS57212880A publication Critical patent/JPS57212880A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
JP9912481A 1981-06-25 1981-06-25 Automatically switchable directional antenna device Pending JPS57212880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9912481A JPS57212880A (en) 1981-06-25 1981-06-25 Automatically switchable directional antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9912481A JPS57212880A (en) 1981-06-25 1981-06-25 Automatically switchable directional antenna device

Publications (1)

Publication Number Publication Date
JPS57212880A true JPS57212880A (en) 1982-12-27

Family

ID=14239010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9912481A Pending JPS57212880A (en) 1981-06-25 1981-06-25 Automatically switchable directional antenna device

Country Status (1)

Country Link
JP (1) JPS57212880A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022805A (ja) * 1983-07-18 1985-02-05 Matsushita Electric Ind Co Ltd 自動指向性切換アンテナ装置
JPS6022808A (ja) * 1983-07-18 1985-02-05 Matsushita Electric Ind Co Ltd 自動指向性切換アンテナ装置
JPS6022809A (ja) * 1983-07-18 1985-02-05 Matsushita Electric Ind Co Ltd 自動指向性切換アンテナ装置
JPH01188180A (ja) * 1988-01-22 1989-07-27 Hitachi Ltd 車載用テレビジョン受信機
US7509665B2 (en) 2004-04-28 2009-03-24 Funai Electric Co., Ltd. Digital television broadcast signal receiver

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022805A (ja) * 1983-07-18 1985-02-05 Matsushita Electric Ind Co Ltd 自動指向性切換アンテナ装置
JPS6022808A (ja) * 1983-07-18 1985-02-05 Matsushita Electric Ind Co Ltd 自動指向性切換アンテナ装置
JPS6022809A (ja) * 1983-07-18 1985-02-05 Matsushita Electric Ind Co Ltd 自動指向性切換アンテナ装置
JPH01188180A (ja) * 1988-01-22 1989-07-27 Hitachi Ltd 車載用テレビジョン受信機
US7509665B2 (en) 2004-04-28 2009-03-24 Funai Electric Co., Ltd. Digital television broadcast signal receiver

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