FR718749A - Method and means for permanent sanitizing of various apparatus, in particular telephone apparatus - Google Patents
Method and means for permanent sanitizing of various apparatus, in particular telephone apparatusInfo
- Publication number
- FR718749A FR718749A FR718749DA FR718749A FR 718749 A FR718749 A FR 718749A FR 718749D A FR718749D A FR 718749DA FR 718749 A FR718749 A FR 718749A
- Authority
- FR
- France
- Prior art keywords
- sanitizing
- permanent
- particular telephone
- various
- telephone apparatus
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR718749T | 1931-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR718749A true FR718749A (en) | 1932-01-28 |
Family
ID=9090717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR718749D Expired FR718749A (en) | 1931-06-16 | 1931-06-16 | Method and means for permanent sanitizing of various apparatus, in particular telephone apparatus |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR718749A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0262921A2 (en) * | 1986-09-30 | 1988-04-06 | Phoneshields Limited | A set of bactericidal shields for use on telephone handsets |
-
1931
- 1931-06-16 FR FR718749D patent/FR718749A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0262921A2 (en) * | 1986-09-30 | 1988-04-06 | Phoneshields Limited | A set of bactericidal shields for use on telephone handsets |
EP0262921A3 (en) * | 1986-09-30 | 1989-08-30 | Phoneshields Limited | A set of bactericidal shields for use on telephone handsets |
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