CH225267A - Device for illuminating a number disc. - Google Patents

Device for illuminating a number disc.

Info

Publication number
CH225267A
CH225267A CH225267DA CH225267A CH 225267 A CH225267 A CH 225267A CH 225267D A CH225267D A CH 225267DA CH 225267 A CH225267 A CH 225267A
Authority
CH
Switzerland
Prior art keywords
illuminating
number disc
disc
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C 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.)
Filing date
Publication date
Application filed by Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH225267A publication Critical patent/CH225267A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CH225267D 1941-09-09 1942-06-04 Device for illuminating a number disc. CH225267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE749732T 1941-09-09

Publications (1)

Publication Number Publication Date
CH225267A true CH225267A (en) 1943-01-15

Family

ID=5860183

Family Applications (1)

Application Number Title Priority Date Filing Date
CH225267D CH225267A (en) 1941-09-09 1942-06-04 Device for illuminating a number disc.

Country Status (4)

Country Link
BE (1) BE446556A (en)
CH (1) CH225267A (en)
DE (1) DE749732C (en)
FR (1) FR884258A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865466C (en) * 1950-03-16 1953-02-02 Curt Woithe Telephone with illuminated number and finger hole discs
US3132211A (en) * 1960-06-13 1964-05-05 North Electric Co Dial light for telephone substation set
DE3436473A1 (en) * 1984-10-05 1986-04-10 geb. Rau Gisela 2082 Moorrege Holz Telephone set with dial or dialling keys

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1828107A (en) * 1928-06-20 1931-10-20 Frank O Everts Reflector for telephone dials

Also Published As

Publication number Publication date
FR884258A (en) 1943-08-09
BE446556A (en)
DE749732C (en) 1944-12-02

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