| Patents for G08B 6 - Tactile signalling systems, e.g. personal calling systems (1,442) |
|---|
| 10/13/1993 | CN1077321A Radio selective call receiver |
| 09/21/1993 | CA2056990C Electromagnetic resonant vibrator |
| 07/23/1993 | WO1993015590A1 Radio with silent and audible alerts |
| 07/20/1993 | US5229744 Piezoelectric type pager |
| 06/30/1993 | EP0548340A1 Non-audible alarm for patient monitor and life support equipment system |
| 05/04/1993 | CA1317349C Paging receiver having audible and vibrator annunciating means |
| 02/24/1993 | EP0490930A4 Electromagnetic resonant vibrator |
| 02/23/1993 | US5189389 Electronic device having position selectable alert modes |
| 01/21/1993 | WO1993001574A1 Non-audible alarm for patient monitor and life support equipment system |
| 01/19/1993 | US5181023 Terminal unit of a mobile communication system |
| 12/29/1992 | US5175459 Low profile vibratory alerting device |
| 10/29/1992 | WO1992019018A1 Piezo-electric resonant vibrator for a selective call receiver |
| 06/24/1992 | EP0490930A1 Electromagnetic resonant vibrator. |
| 04/21/1992 | US5107540 Electromagnetic resonant vibrator |
| 04/21/1992 | US5107155 Vibrator motor for wireless silent alerting device |
| 01/22/1992 | EP0467071A2 Calling device for telecommunication terminals |
| 01/20/1992 | CA2047450A1 Call alerting device for telecommunications terminals |
| 01/15/1992 | EP0465484A1 Radio with message reception indicator |
| 12/26/1991 | WO1991020136A1 Selective call receiver having a variable frequency vibrator |
| 10/31/1991 | WO1991016732A1 Piezo-electric resonant vibrator for a selective call receiver |
| 07/30/1991 | US5036239 Flat coreless vibrator motor |
| 06/25/1991 | US5027025 Flat brushless motor |
| 06/11/1991 | US5023504 Piezo-electric resonant vibrator for selective call receiver |
| 05/16/1991 | WO1991006932A1 Selective call receiver |
| 04/09/1991 | US5007105 Portable |
| 03/08/1991 | WO1991003914A1 Electromagnetic resonant vibrator |
| 09/29/1990 | WO1990011666A1 Radio with message reception indicator |
| 09/07/1990 | WO1990010359A1 Pager having alert mode change due to user non-response |
| 06/05/1990 | US4931765 Unitized housing for silent and tone pager alerting system |
| 04/17/1990 | US4918438 Paging receiver having audible and vibrator annunciating means |
| 02/27/1990 | US4904992 Radio with message reception and ambient noise level controlled indicator |
| 01/09/1990 | US4893351 Apparatus for generating a remote alert signal |
| 09/05/1989 | US4864276 Very low-profile motor arrangement for radio pager silent alerting |
| 12/27/1988 | US4794392 Vibrator alert device for a communication receiver |
| 03/15/1988 | US4731603 Tactile alarm system for gaining the attention of an individual |
| 12/02/1987 | EP0247601A2 Paging receiver having audible and vibrator annunciating means |
| 09/28/1982 | US4352091 Radio pager having optional annunciating means |
| 08/31/1982 | CA1130884A1 Silent wearable signaling device with tactile means to prevent false triggering |
| 11/10/1981 | US4300129 Silent wearable signalling device with tactile means to prevent false triggering |
| 10/27/1981 | US4297677 Personal ambient sound referenced annunciator |
| 10/15/1980 | EP0016833A1 Silent wearable signalling device for tactile means to prevent false triggering |
| 04/03/1980 | WO1980000629A1 Silent wearable signalling device for tactile means to prevent false triggering |