GB191003756A - An Improved Contrivance for Facilitating the Recording of Telephone Calls. - Google Patents
An Improved Contrivance for Facilitating the Recording of Telephone Calls.Info
- Publication number
- GB191003756A GB191003756A GB191003756DA GB191003756A GB 191003756 A GB191003756 A GB 191003756A GB 191003756D A GB191003756D A GB 191003756DA GB 191003756 A GB191003756 A GB 191003756A
- Authority
- GB
- United Kingdom
- Prior art keywords
- band
- recording
- telephone calls
- facilitating
- wound
- 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
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
3756. Ellams, F. Chisholm-. Feb. 15. Memorandum appliances. - A device for recording telephone calls or telegrams consists of a casing enclosing a pair of paper rolls mounted in separate halves of the casing at right-angles. The paper band e from one of the rolls passes under suitably labelled apertures in a coverplate c for recording certain definite information (Date, Tel. No., &c.). An additional aperture is provided for writing notes on the band h from the other roll. The band e is wound on to a roller for retaining the record. The band h may be perforated for tearing off, or may be wound on to a roller.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB191003756T | 1910-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB191003756A true GB191003756A (en) | 1910-11-10 |
Family
ID=32560757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB191003756D Expired GB191003756A (en) | 1910-02-15 | 1910-02-15 | An Improved Contrivance for Facilitating the Recording of Telephone Calls. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB191003756A (en) |
-
1910
- 1910-02-15 GB GB191003756D patent/GB191003756A/en not_active Expired
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