FR2270744B1 - - Google Patents
Info
- Publication number
- FR2270744B1 FR2270744B1 FR7415786A FR7415786A FR2270744B1 FR 2270744 B1 FR2270744 B1 FR 2270744B1 FR 7415786 A FR7415786 A FR 7415786A FR 7415786 A FR7415786 A FR 7415786A FR 2270744 B1 FR2270744 B1 FR 2270744B1
- Authority
- FR
- France
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7415786A FR2270744A1 (en) | 1974-05-07 | 1974-05-07 | Hygene device for attachment to telephone - is in form of removable flat circular disc containing non-toxic disinfectant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7415786A FR2270744A1 (en) | 1974-05-07 | 1974-05-07 | Hygene device for attachment to telephone - is in form of removable flat circular disc containing non-toxic disinfectant |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2270744A1 FR2270744A1 (en) | 1975-12-05 |
FR2270744B1 true FR2270744B1 (fr) | 1978-01-27 |
Family
ID=9138554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7415786A Granted FR2270744A1 (en) | 1974-05-07 | 1974-05-07 | Hygene device for attachment to telephone - is in form of removable flat circular disc containing non-toxic disinfectant |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2270744A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4090044A (en) * | 1977-09-19 | 1978-05-16 | Dentsu Central Kabushiki Kaisha | Container for positioning a disinfectant-impregnated member in a telephone mouthpiece |
-
1974
- 1974-05-07 FR FR7415786A patent/FR2270744A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2270744A1 (en) | 1975-12-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |