![]() G08B5/22- Visible signalling systems, e.g.personal calling systems, remote indication of seats occupied G08B5/00- Visible signalling systems, e.g.G08B- SIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS.H04M11/02- Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems.H04M11/00- Telephonic communication systems specially adapted for combination with other electrical systems.238000004519 manufacturing process Methods 0.000 description 2.239000004973 liquid crystal related substance Substances 0.000 description 4.239000012536 storage buffer Substances 0.000 description 6.230000000875 corresponding Effects 0.000 claims description 6.OC()=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 14 UIIMBOGNXHQVGW-UHFFFAOYSA-M buffer Substances.230000005540 biological transmission Effects 0.000 claims abstract description 60.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US36756395A external-priority Application filed by Ultratec Inc filed Critical Ultratec Inc Priority to US08/481,852 priority Critical patent/US5978654A/en Priority to PCT/US1996/009391 priority patent/WO1996041487A1/en Priority to AU62594/96A priority patent/AU6259496A/en Application granted granted Critical Publication of US5978654A publication Critical patent/US5978654A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Original Assignee Ultratec Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Engelke Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US08/481,852 Inventor Kevin Colwell Robert M. Google Patents Alphanumeric paging entry systemÄownload PDF Info Publication number US5978654A US5978654A US08/481,852 US48185295A US5978654A US 5978654 A US5978654 A US 5978654A US 48185295 A US48185295 A US 48185295A US 5978654 A US5978654 A US 5978654A Authority US United States Prior art keywords message user aedp alphanumeric telephone Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5978654A - Alphanumeric paging entry system ![]() US5978654A - Alphanumeric paging entry system
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