Tag Archives: focus

Instrument with focus variable characteristics for testing and measuring capacibility of telecommunication time scales test

Application Number  00129019 Application Date  2000.09.25 Publication Number  1290078 Publication Date  2001.04.04 Priority Information   2000/6/29 US 09/607573; 1999/9/24 US 60/155977   International Classification  H04B17/00   Applicant(s) Name  Tektronix Inc.   Address     Inventor(s) Name  P.J. Leiz   Patent Agency Code  72001 Patent Agent  wang yue AbstractA telecom mask testing zoom function draws mask… Read More »

Focus tester

Application Number: 00117651Application Date: 2000.05.26Publication Number: 1275725Publication Date: 2000.12.06Priority Information: 1999/5/27 JP 148239/1999International: G03B13/36;G02B7/34Applicant(s) Name: Olympus Optical Co., Ltd.Address: Inventor(s) Name: Ide Shoko;Goto NaoyukiPatent Agency Code: 11038Patent Agent: wang sibengAbstract The present invention provides a low-cost focus detector that can carry out a focus detection over a wide field of view and can secure a… Read More »

Driving device for focus ultrasonic transmitter

Application Number: 00119850Application Date: 2000.08.31Publication Number: 1281736Publication Date: 2001.01.31Priority Information: International: A61N7/00Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Xiao Xianglin;Sun FuchengPatent Agency Code: 31201Patent Agent: mao cuiyingAbstract The transmission device of focussing ultrasonic transmitter is characterized by that its portal frame possesses a curved wide guide and a movable curved frame, the therapeutic head is… Read More »

Automatic focus mechanism on measuring device

Application Number: 00122750Application Date: 2000.08.11Publication Number: 1338610Publication Date: 2002.03.06Priority Information: International: G02B7/28;G01C15/00;G01C5/00Applicant(s) Name: Soyoshi K.K.Address: Inventor(s) Name: Nakasugi YutakaPatent Agency Code: 11038Patent Agent: ma gaoAbstract An automatically focusing unit for the measuring device is composed of a telescope with a leveling rule having imaginal markers on it, a photoelectric device, a step motor, a focus… Read More »

Optical disk device and method of controlling focus in the same

Application Number: 00124010Application Date: 2000.08.11Publication Number: 1284712Publication Date: 2001.02.21Priority Information: 1999/8/11 JP 227016/99International: G11B7/09;G11B7/12Applicant(s) Name: Sony Co., Ltd.Address: Inventor(s) Name: Imanishi Shinsato;Yamamoto ShintadaPatent Agency Code: 31100Patent Agent: li jialinAbstract The present invention intend to perform a focusing control reliably in near-field recording in, for example, an exposing apparatus that performs exposure of an original disc… Read More »

Long-distance infrared thermoscope able to fully stabilize object and regulse focus

Application Number: 00126546Application Date: 2000.09.20Publication Number: 1343876Publication Date: 2002.04.10Priority Information: International: G01J5/00Applicant(s) Name: Yiti Intelligent Technology Co Ltd, Shenzhen CityAddress: Inventor(s) Name: Yang XigengPatent Agency Code: 44217Patent Agent: guo weigangAbstract A long-distance infrared thermoscope is composed of infrared probe, error-compensating focusing device, beam splitter, focusing reflector and finder in the center is the said reflector,… Read More »

Object lenses for high density optical focus and optical head therewith

Application Number: 00127005Application Date: 2000.09.13Publication Number: 1290004Publication Date: 2001.04.04Priority Information: 1999/9/29 KR 41767/99International: G02B3/02;G11B7/135Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Ryuh Chang-Heun;Cho Gon-Ho;Chung Sung-DaiPatent Agency Code: 11105Patent Agent: li ruihaiAbstract A high-density focusing objective lens having a high numerical aperture. The objective lens includes: a first transmitting portion placed at a relatively near-axis region… Read More »

Scanner for computerized tomograph using vertical floating focus

Application Number: 00106010Application Date: 2000.03.29Publication Number: 1268337Publication Date: 2000.10.04Priority Information: 1999/3/31 US 09/282,674International: A61B6/02Applicant(s) Name: Analogic Corp.Address: Inventor(s) Name: Lai JingmingPatent Agency Code: 72002Patent Agent: du juanAbstract In an improved computerized tomography scanner, the X-ray source is configured to have a focal spot that is variable in position in a direction parallel to or substantially… Read More »

Cathode ray tube with unipotential focus electronic gun

Application Number: 00104777Application Date: 2000.03.20Publication Number: 1314698Publication Date: 2001.09.26Priority Information: International: H01J29/48Applicant(s) Name: Hitachi, Ltd.Address: Inventor(s) Name: Uchiyama Toshio;Tanaka Yasuo;Suzuki NobukoPatent Agency Code: 72001Patent Agent: chen jingjunAbstract The present invention relates to the structure of lens for pre-focusing part of CRT Hi-UPF electron gun. Hi-UPF electron gun has cathode, control electrode, accelerating electrode, the first… Read More »