CH297205A - Fernsprecher mit beleuchteter Wählscheibe. - Google Patents
Fernsprecher mit beleuchteter Wählscheibe.Info
- Publication number
- CH297205A CH297205A CH297205DA CH297205A CH 297205 A CH297205 A CH 297205A CH 297205D A CH297205D A CH 297205DA CH 297205 A CH297205 A CH 297205A
- Authority
- CH
- Switzerland
- Prior art keywords
- telephone
- rotary dial
- illuminated rotary
- illuminated
- dial
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1037275T | 1951-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH297205A true CH297205A (de) | 1954-03-15 |
Family
ID=9586921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH297205D CH297205A (de) | 1951-05-18 | 1951-10-01 | Fernsprecher mit beleuchteter Wählscheibe. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE506189A (de) |
CH (1) | CH297205A (de) |
FR (1) | FR1037275A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2593985A1 (fr) * | 1986-02-05 | 1987-08-07 | Wansor Investments Ltd | Telephone lumineux |
-
0
- BE BE506189D patent/BE506189A/xx unknown
-
1951
- 1951-05-18 FR FR1037275D patent/FR1037275A/fr not_active Expired
- 1951-10-01 CH CH297205D patent/CH297205A/de unknown
Also Published As
Publication number | Publication date |
---|---|
BE506189A (de) | |
FR1037275A (fr) | 1953-09-15 |
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