REPRODUCTION SYSTEM, SPECIALLY WITH REGARDS TO SUPPLYING A REPRODUCED SIGNAL TO A PROJECTION-TYPE IMAGE DISPLAY DEVICE OR A SPEAKER DEVICE WITHOUT A CORD

• Main Author: KASAMATU HIDEKI
• Format: Patent
• Language: English; Korean
• Published: 07.03.2005
• Edition: 7
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; PUBLIC ADDRESS SYSTEMS

PURPOSE: A reproduction system is provided to mount a reproduction device on an image/sound input unit of a projection-type image display device without a cord, and to project an image while wirelessly delivering an input voice signal in the projection-type image display device, thereby supplying a reproduced signal without a cord. CONSTITUTION: A DVD player(1) is directly mounted on an image/sound input terminal(connector) installed at the back of an LCD projector(2) without a cord. The LCD projector(2) is mounted with a wireless transmission unit(21). The wireless transmission unit(21) projects an image based on an input image signal, and wirelessly delivers an input voice signal. The wireless transmission unit(21) is directly mounted on the LCD projector(2) without a cord. A wireless receiving unit(31) is mounted on a speaker device(3), and outputs a voice based on the received voice signal.