AU5895773A - Improvements in or relating to telephone instruments - Google Patents
Improvements in or relating to telephone instrumentsInfo
- Publication number
- AU5895773A AU5895773A AU58957/73A AU5895773A AU5895773A AU 5895773 A AU5895773 A AU 5895773A AU 58957/73 A AU58957/73 A AU 58957/73A AU 5895773 A AU5895773 A AU 5895773A AU 5895773 A AU5895773 A AU 5895773A
- Authority
- AU
- Australia
- Prior art keywords
- relating
- telephone instruments
- instruments
- telephone
- 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.)
- Expired
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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB37930/72 | 1972-08-15 | ||
GB3793072A GB1391924A (en) | 1972-08-15 | 1972-08-15 | Telephone instruments |
Publications (1)
Publication Number | Publication Date |
---|---|
AU5895773A true AU5895773A (en) | 1975-02-06 |
Family
ID=10400020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU58957/73A Expired AU5895773A (en) | 1972-08-15 | 1973-08-06 | Improvements in or relating to telephone instruments |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5895773A (en) |
DE (1) | DE2340141A1 (en) |
GB (1) | GB1391924A (en) |
-
1972
- 1972-08-15 GB GB3793072A patent/GB1391924A/en not_active Expired
-
1973
- 1973-08-06 AU AU58957/73A patent/AU5895773A/en not_active Expired
- 1973-08-08 DE DE19732340141 patent/DE2340141A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2340141A1 (en) | 1974-02-28 |
GB1391924A (en) | 1975-04-23 |
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