JPS521948A - Switching controller of a garage door - Google Patents

Switching controller of a garage door

Info

Publication number
JPS521948A
JPS521948A JP50075684A JP7568475A JPS521948A JP S521948 A JPS521948 A JP S521948A JP 50075684 A JP50075684 A JP 50075684A JP 7568475 A JP7568475 A JP 7568475A JP S521948 A JPS521948 A JP S521948A
Authority
JP
Japan
Prior art keywords
garage door
switching controller
misoperation
photoelectron
night
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
JP50075684A
Other languages
Japanese (ja)
Inventor
Hiromoto Honda
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP50075684A priority Critical patent/JPS521948A/en
Publication of JPS521948A publication Critical patent/JPS521948A/en
Pending legal-status Critical Current

Links

Landscapes

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Abstract

PURPOSE: To provide a switching controller of a garage door without any misoperation day and night by utilizing characteristics of photoelectron based on change in luminosity corresponding to lighting of an automobile head lamp.
COPYRIGHT: (C)1977,JPO&Japio
JP50075684A 1975-06-23 1975-06-23 Switching controller of a garage door Pending JPS521948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50075684A JPS521948A (en) 1975-06-23 1975-06-23 Switching controller of a garage door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50075684A JPS521948A (en) 1975-06-23 1975-06-23 Switching controller of a garage door

Publications (1)

Publication Number Publication Date
JPS521948A true JPS521948A (en) 1977-01-08

Family

ID=13583253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50075684A Pending JPS521948A (en) 1975-06-23 1975-06-23 Switching controller of a garage door

Country Status (1)

Country Link
JP (1) JPS521948A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04114992U (en) * 1991-03-27 1992-10-12 三和シヤツター工業株式会社 Automatic opening/closing device for garage shutters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04114992U (en) * 1991-03-27 1992-10-12 三和シヤツター工業株式会社 Automatic opening/closing device for garage shutters

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