摘要:
A wireless telephone device (1) is provided with a lead switch (13) arranged between a wireless unit (12) and a rod antenna (15) in the telephone set main body (10), which connects the wireless unit (12) and the rod antenna (15) to each other when the telephone set main body (10) is off a car kit (20). The car kit is provided with a magnet (27) which magnetically energizes the lead switch (13) when the telephone set main body (10) is placed on the car kit (20) so that the lead switch (13) is turned into a mode where the wireless unit (12) and an external antenna (26) are connected to each other. Hence it is possible to execute switching the antenna line between the rod antenna (15) of the telephone set main body (10) and the external antenna (21) of the car kit without inviting any increase in the consumption of electric current and without making the circuits more complicated.
摘要:
A volume control circuit (12) includes an amplifier (27) for amplifying an audio signal, first and second holding means (24, 25) for holding the gain of the amplifier at a first and a second predetermined value, respectively, a condition detector (21) for producing a signal by detecting a condition of use of equipment in which the circuit is built, and a switch (23) for selectively enabling the first and second holding means in response to the said signal.
摘要:
The invention concerns an indoor unit for an intercom system, comprising: a handset comprising a magnetically active element, and a base comprising a switch for opening/closing a communication circuit, wherein the base defines a seat configured for housing the handset. In the indoor unit of the invention: the seat comprises a magnetically active element arranged at the magnetically active element of the handset when the handset is placed in the seat; the magnetically active element of the base is movable between two positions and is configured for opening/closing the switch; and the interaction between the magnetically active element of the base and the magnetically active element of the handset is suitable for constraining the handset in its seat. The invention further concerns an intercom system comprising such an indoor unit.
摘要:
There is provided a radio communication system for performing radio communication at a higher speed between a fixed information device and a mobile terminal device by surely mounting the mobile terminal device onto the fixed information device with a simple structure. The fixed information device includes: first radio communication means for performing radio communication for detecting approach of the mobile terminal device; detection means for detecting approach of the mobile terminal according to the radio communication result in the first radio communication means; and suction means for generating a suction force for fixing the mobile terminal device by suction when the detection means has detected approach of the mobile terminal device. The mobile terminal device includes second radio communication means for performing radio communication for detecting approach of the fixed information device; and to-be-sucked means which is sucked by the suction force generated from the fixed information device.
摘要:
A land telephone device (100) has a case (110) having a wall (111) and an on/off hook switch (220) operable by a press knob (130) that protrudes from the wall (111) of the case (110). One or more magnets (141 & 142) are provided at the wall (111) of the case (110) for attaching the telephone device (100) onto a support surface by way of magnetic attraction, with its wall (111) facing the support surface such that the press knob (130) for the on/off hook switch (220) is pressed inwards upon engaging the support surface to thereby put the telephone device (100) on hook.
摘要:
The present invention relates to a radio communication system that performs radio communications between a stationary information device and a mobile terminal device so that the stationary information device and the mobile terminal device can be securely fixed to each other with a simple structure and the radio communications can be performed at a higher speed. The stationary information device comprises a first radio communication unit that performs radio communications to detect the approach of the mobile terminal device, a detecting unit that detects the approach of the mobile terminal device based on a result of the radio communications performed by the first radio communication unit, and an attracting unit that generates an attraction force for attraction and fixation of the mobile terminal device when the detecting unit detects the approach of the mobile terminal device. The mobile terminal device comprises a second radio communication unit that performs radio communications to detect the approach of the stationary information device, and an attracted unit that is attracted with the attraction force generated by the stationary information device.
摘要:
@ Die Erfindung bezieht sich auf eine Auflage für den Bedienhörer eines Autotelefons, in dem zugleich alle Anzeige- und Wahleinrichtungen enthalten sind. Für eine solche Auflage soll ein einfacher, platzsparender Aufbau geschaffen werden. Die Erfindung sieht hierzu eine Auflage mit einer Längenausdehnung von etwa einem Drittel der Länge des Bedienhörers vor, bestehend aus einem plattenförmigen Unterteil und einem kappenförmigen Oberteil, das eine entsprechend ausgeformte Vertiefung für die Aufnahme des die Hörmuschel enthaltenden Teils des Bedienhörers aufweist. In seinem erhöhten Bereich sind zwei schlitzförmige Ausnehmungen und eine darunterliegende topfförmige Ausformung vorgesehen, in der zwei Haltebleche mit einem dazwischenliegenden Magneten angeordnet sind. Durch die Magnetelemente und eine Stahlplatte im Bedienhörer wird der Bedienhörer in seiner Lage fixiert.
摘要:
La présente invention concerne un poste téléphonique permettant d'utiliser des micros électrodynamiques, et comportant un interrupteur de coupure de micro et un dispositif pour signaliser la coupure de ce micro. Un tel poste comprend un préamplificateur (12) disposé dans le combiné du poste (1) et alimenté par les fils d'alimentation (5, 6) à partir d'une source d'alimentation (11) disposée dans le boîtier (4) et présentant une impédance interne (17). Le signal de sortie émis par le préamplificateur (12) est transmis par les fils d'alimentation (5, 6) à un amplificateur (15). Un interrupteur (20) court-circuite les bornes d'alimentation du préamplificateur (12) et provoque le basculement d'un moyen à seuil (22) qui produit un signal audible transmis sur le récepteur (3). Application à la réalisation de postes téléphoniques.