CH548664A - Elektrischer zeitschalter, insbes. treppenlichtzeitschalter. - Google Patents

Elektrischer zeitschalter, insbes. treppenlichtzeitschalter.

Info

Publication number: CH548664A
Authority: CH; Switzerland
Prior art keywords: timer; electric; stair light; stair; electric timer
Prior art date: 1971-06-19

Application number

CH744172A

Other languages

English (en)

Original Assignee

Siemens Ag

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.)

1971-06-19

Filing date

1972-05-19

Publication date

1974-04-30

1972-05-19 Application filed by Siemens Ag filed Critical Siemens Ag

1974-04-30 Publication of CH548664A publication Critical patent/CH548664A/de

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/292—Modifications for introducing a time delay before switching in thyristor, unijunction transistor or programmable unijunction transistor switches

CH744172A 1971-06-19 1972-05-19 Elektrischer zeitschalter, insbes. treppenlichtzeitschalter. CH548664A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712130548 DE2130548A1 (de)	1971-06-19	1971-06-19	Elektrischer Zeitschalter,insbesondere Treppenlichtzeitschalter

Publications (1)

Publication Number	Publication Date
CH548664A true CH548664A (de)	1974-04-30

Family

ID=5811247

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH744172A CH548664A (de)	1971-06-19	1972-05-19	Elektrischer zeitschalter, insbes. treppenlichtzeitschalter.

Country Status (7)

Country	Link
BE (1)	BE784928A (de)
CH (1)	CH548664A (de)
DE (1)	DE2130548A1 (de)
ES (1)	ES404000A1 (de)
FR (1)	FR2189854A1 (de)
IT (1)	IT956580B (de)
NO (1)	NO134818C (de)

1971
- 1971-06-19 DE DE19712130548 patent/DE2130548A1/de active Pending
1972
- 1972-05-19 CH CH744172A patent/CH548664A/de not_active IP Right Cessation
- 1972-06-12 NO NO207072A patent/NO134818C/no unknown
- 1972-06-15 BE BE784928A patent/BE784928A/xx unknown
- 1972-06-15 IT IT2569372A patent/IT956580B/it active
- 1972-06-16 FR FR7221943A patent/FR2189854A1/fr not_active Withdrawn
- 1972-06-17 ES ES404000A patent/ES404000A1/es not_active Expired

Also Published As

Publication number	Publication date
IT956580B (it)	1973-10-10
NO134818C (de)	1976-12-15
BE784928A (fr)	1972-12-15
DE2130548A1 (de)	1972-12-21
NO134818B (de)	1976-09-06
ES404000A1 (es)	1975-06-01
FR2189854A1 (de)	1974-01-25

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Legal Events

Date	Code	Title	Description
1977-12-30	PL	Patent ceased