CA978861A - Audio announcing system and apparatus - Google Patents
Audio announcing system and apparatusInfo
- Publication number
- CA978861A CA978861A CA165,886A CA165886A CA978861A CA 978861 A CA978861 A CA 978861A CA 165886 A CA165886 A CA 165886A CA 978861 A CA978861 A CA 978861A
- Authority
- CA
- Canada
- Prior art keywords
- announcing system
- audio announcing
- audio
- announcing
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/06—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon combined with other apparatus having a different main function
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23415872A | 1972-03-13 | 1972-03-13 | |
US30781472A | 1972-11-20 | 1972-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA978861A true CA978861A (en) | 1975-12-02 |
Family
ID=26927629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA165,886A Expired CA978861A (en) | 1972-03-13 | 1973-03-12 | Audio announcing system and apparatus |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS48100819A (fr) |
CA (1) | CA978861A (fr) |
FR (1) | FR2175982B1 (fr) |
GB (1) | GB1402081A (fr) |
IT (1) | IT992436B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6337793Y2 (fr) * | 1978-10-12 | 1988-10-05 | ||
JPS55121627U (fr) * | 1978-10-26 | 1980-08-29 | ||
JPS5786540U (fr) * | 1980-11-15 | 1982-05-28 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1424354A (fr) * | 1964-02-12 | 1966-01-07 | Kabushikikaisha Tokyo Keiki Se | Dispositif d'alarme pour éléments contrôlés |
FR1460607A (fr) * | 1965-07-24 | 1966-12-10 | L App Parlant | Dispositif de surveillance donnant ou enregistrant des informations parlées, visuelles ou codées |
FR2076579A5 (fr) * | 1970-01-20 | 1971-10-15 | Sigmatex Ag |
-
1973
- 1973-02-28 GB GB979073A patent/GB1402081A/en not_active Expired
- 1973-03-12 CA CA165,886A patent/CA978861A/en not_active Expired
- 1973-03-12 JP JP2811273A patent/JPS48100819A/ja active Pending
- 1973-03-12 IT IT8333373A patent/IT992436B/it active
- 1973-03-13 FR FR7308900A patent/FR2175982B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2175982A1 (fr) | 1973-10-26 |
GB1402081A (en) | 1975-08-06 |
IT992436B (it) | 1975-09-10 |
FR2175982B1 (fr) | 1977-08-12 |
JPS48100819A (fr) | 1973-12-19 |
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