FR623324A - Improvements relating to automatic or semi-automatic telephone systems - Google Patents
Improvements relating to automatic or semi-automatic telephone systemsInfo
- Publication number
- FR623324A FR623324A FR623324DA FR623324A FR 623324 A FR623324 A FR 623324A FR 623324D A FR623324D A FR 623324DA FR 623324 A FR623324 A FR 623324A
- Authority
- FR
- France
- Prior art keywords
- automatic
- semi
- improvements relating
- telephone systems
- automatic 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
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
- D05B3/06—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for sewing buttonholes
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
- D05B73/04—Lower casings
- D05B73/12—Slides; Needle plates
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B85/00—Needles
- D05B85/06—Curved needles
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sewing Machines And Sewing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2273626A GB267016A (en) | 1926-09-15 | 1926-09-15 | Work-clamping mechanism for sewing machines |
Publications (1)
Publication Number | Publication Date |
---|---|
FR623324A true FR623324A (en) | 1927-06-22 |
Family
ID=10184270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR623324D Expired FR623324A (en) | 1926-09-15 | 1926-10-20 | Improvements relating to automatic or semi-automatic telephone systems |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR623324A (en) |
GB (1) | GB267016A (en) |
-
1926
- 1926-09-15 GB GB2273626A patent/GB267016A/en not_active Expired
- 1926-10-20 FR FR623324D patent/FR623324A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB267016A (en) | 1927-03-10 |
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