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Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 5408684 | Control channel selecting method for mobile stations In the selection of a control channel of a mobile station in a radio zone to which some control channels are assigned as communication channels, the receiving levels of the control channels are sequentially measured and control channel candidates are sele... | 04/18/1995 |
| 5369683 | Line control method and system A line control method is applied to a mobile communication system in which a mobile station communicates with one of a plurality of base stations which are installed within the same zone via a speech channel of the one base station, where the base station... | 11/29/1994 |
| 5353332 | Method and apparatus for communication control in a radiotelephone system In a radiotelephone system, the control channel of each cell can be configured to broadcast absolute information about its cell and relative information about other cells including the characteristic of the cell. Further, the location of other control cha... | 10/04/1994 |
| 5345597 | Call set-up in a radio communication system with dynamic channel allocation The call set-up technique of this invention is characterized by the use of channel information from both base station and subscriber terminal in determining the radio traffic channel upon which to set-up a new call. Communication between the base station ... | 09/06/1994 |
| 5327578 | Radio telephone system supporting automatic busy and out-of-range indications A radio telephone communication system (200) having a base station (203) including at least one frequency agile time division duplex transceiver (207) for facilitating communication with at lest one radio telephone (100) on the at least one radio frequenc... | 07/05/1994 |
| 5297190 | Radio communication system A wired line connecting an existing fixed station and a wired telephone network is divided into a plurality of channels on a time division multiplex basis for a digital signal, at least one of the plurality of channels is allocated for a public mobile sta... | 03/22/1994 |
| 5295153 | CDMA frequency allocation A Code Division Multiple Access (CDMA) communication system which allocates different sets of frequencies to cells with different transmission power levels. Based upon the transmission power levels of a base station for each cell, each base station is ass... | 03/15/1994 |
| 5295152 | TDMA for mobile access in a CDMA system A method and system for increasing the capacity of radiotelephone communication systems by eliminating interference to communication traffic caused by random access bursts from unconnected mobile station are disclosed. Access slots are provided in CDMA si... | 03/15/1994 |
| 5285469 | Spread spectrum wireless telephone system A system for accessing a telephone system, in which a set of user stations are matched with a set of base stations for connection to a telephone network. Each base station may be coupled directly or indirectly to the telephone network and may be capable o... | 02/08/1994 |
| 5257399 | Multiple access handling in a cellular communications system A method and apparatus for use in a cellular mobile radio telephone system for determining which of one of several mobile generated transmissions received in a mobile switching center, sent from the same mobile station via more than one base station, shou... | 10/26/1993 |
| 5226045 | Method and apparatus for autonomous selective routing during radio access in TDMA portable radio systems In a TDM/TDMA digital radio communications system, each portable unit in accessing the system must select the "best" port through which to route each call. The so called "best" port may not, however, have an idle time-slot to accommodate the call. Attempt... | 07/06/1993 |
| 5212803 | Method for reducing equalizer usage in mobile radio communication systems A method in a mobile radio station to select one of a number of dedicated control channels (DCCH1-21) which are transmitted from a number of base stations (B1-B21) in a mobile radio system. In the mobile station there is an equalizer to compensate for the... | 05/18/1993 |
| 5210752 | Radio tele-communication system using multichannel access scheme In a radio tele-communication system of this invention, each mobile station is designed to determine whether a control radio frequency can be used and to determine whether any free time slots are included in the time slots of a plurality of speech radio f... | 05/11/1993 |
| 5206855 | Multiple frequency message system A transmitter system for transmitting coded message signals on a plurality of channels of which at least one channel to be assigned to each of a plurality of geographical areas. The coded message signals include channel identification information and mess... | 04/27/1993 |
| 5203013 | Radio telephone system supporting busy and out-of-range function A radio telephone communication system (200) comprising a base station with at least one frequency agile transceiver (207) capable of time division duplex operation on at least one radio frequency channel. The base station operates to facilitate communica... | 04/13/1993 |
| 5119502 | Periodic system ordered rescan in a cellular communication system A method for use in a cellular radio telephone system for controlling, in at least one mobile station, rescanning operations of paging channels in the system, wherein the mobile station is operationally connected to at least one base station. The method i... | 06/02/1992 |
| 5088094 | Accessing of transmission channels of a communication system In a communications system with a plurality of subscriber stations independent from each other, where each subscriber station can access according to a multiple access method a joint duplex transmission channel, the probability becomes very large for simu... | 02/11/1992 |
| 5023932 | Radio communication system comprising a portable unit carrying out a battery saving operation related to a scanning operation of a fixed unit In a radio communication system comprising a fixed unit (10) carrying out a first scanning operation at a channel scanning period in a waiting state and a portable unit (11) intermittently put in a waiting state thereof into active and inactive for active... | 06/11/1991 |
| 4989231 | Mobile communication system and its control method A mobile communication system and a control method in which a line controller controls speech channels to be used by fixed transceivers. The line controller is coupled to wired telephone lines, and to a plurality of fixed transceivers. The fixed transceiv... | 01/29/1991 |
| 4916728 | Cellular telephone unit with prioritized frequency acquisition A cellular telephone unit includes selective carrier signal acquisition. Priority of acquisition is given to carrier signals associated with home system identification codes (SIDs), then to any carrier signal associated with a non-excluded SID. Any attemp... | 04/10/1990 |
| 4914649 | Multiple frequency message system A multiple frequency message system includes a transmitter for transmitting coded message signals on a plurality of channels of which at least one channel to be assigned to each of a plurality of geographical areas. The coded message signals include chann... | 04/03/1990 |
| 4905301 | Selective system scan for multizone radiotelephone subscriber units A radiotelephone subscriber unit which overcomes the problem of attempting to access an undesired radiotelephone system is disclosed. A comparison between the system identification transmitted on a control channel of a desired radiotelephone system and th... | 02/27/1990 |
| 4903320 | Apparatus for selecting control channel in mobile communication system In a mobile communication system having two operating systems co-existing in one area, a mobile station having a transmitting and receiving circuit and a control unit for subscribing to one of the two mobile communication systems by selecting a control ch... | 02/20/1990 |
| 4891638 | Nationwide display pager with location readout A selective call receiver for receiving and displaying information in a nationwide communication system includes circuitry to decode and process transmitted channel identification information. The receiver displays channel identification indicia in respon... | 01/02/1990 |
| 4783780 | Method and apparatus for selecting a free channel in a mobile radio system In a mobile radio system, a method and apparatus for enabling a mobile station (M) to select a free duplex communication channel for communication with a fixed station (F). The fixed stations in the system detect duplex channels which are engaged in their... | 11/08/1988 |
| 4783844 | Apparatus for transmitting and recording signals Apparatus for transmitting and receiving signals for use with a so-called cordless telephone, in which an audio signal and an identification code signal are transmitted and received by both the handset and base unit of the telephone and when the identific... | 11/08/1988 |
| 4682367 | Mobile radio communications system with join feature Cooperation between two repeater transceivers of a radio trunking system causes a mobile radio transceiver to join or rejoin ongoing communications. To join ongoing communications, a radio transceiver attempts to acquire a free repeater communications cha... | 07/21/1987 |
| 4400585 | Method and apparatus for automatically attempting to seize a radio channel in a multichannel communication system Apparatus is disclosed for enabling a mobile radiotelephone to automatically attempt to seize a radio channel in a multichannel radio communication system. The mobile radiotelephone scans the radio channels for a non-busy radio channel and provides an ind... | 08/23/1983 |
| 4352183 | Information transmission system In order to make optimum use of the available transmission channels in an information transmission system, such as a trunked mobile ratio transmission system, where a number of uncoordinated users may wish to signal to a central control point in addition ... | 09/28/1982 |
| 4281413 | Multichannel radio telephone system Phantom signals resulting from intermodulation between a busy channel and an idle channel with idle tone cause scanning radio stations to lock on a phantom idle channel and miss communications. Locking on a phantom idle channel is prevented by transmittin... | 07/28/1981 |
| 4228319 | Automatic radio telephone system In a radio telephone system with mobile and stationary transmitting receiving stations and, connected to the stationary stations, a common switching station through which the mobile stations can be interconnected and connected to the subscribers of a line... | 10/14/1980 |
| 4166927 | Apparatus and method for frequency channel selection in a radiotelephone system In a mobile radiotelephone system, N separate modulated carrier signals in N frequency channels are applied to a demodulating radio receiver which provides a succession of N different output signals each having idle and busy states. An idle and signal-to-... | 09/04/1979 |
| 4144412 | Method of assigning a radio channel to a calling mobile body of mobile communication system and radio channel assigning system therefor The service area of the system is divided into a plurality of overlapping radio zones and a mobile-system base station is installed in each zone. The mobile-system base stations are assigned with a common control channel and each station is assigned with ... | 03/13/1979 |
| 4103106 | Mobile radiotelephone apparatus and method Mobile radiotelephone apparatus including channel finding means for locating an available channel for placing a call from the mobile unit. The channel finding means may have means for cyclically reducing one of the input voltages received by the superviso... | 07/25/1978 |
| 3946315 | Single frequency signalling in a radiotelephone communication system with idle condition signal generator at one terminal activated by another terminal Single frequency signaling system which simulates the low level tone during the idle circuit condition even though the radio frequency carriers in the transmission link through a repeater have been turned off. Said system utilizes 2600 Hz detectors having... | 03/23/1976 |
