公开(公告)号：US09625311B2

公开(公告)日：2017-04-18

申请号：US15164248

申请日：2016-05-25

Applicant: Azbil Corporation

Inventor： Raita Mori

IPC: G01J1/42 ,  H01J19/82

CPC classification number: G01J1/429 ,  G01J1/4204 ,  G01J5/0018 ,  G01J2001/444 ,  G01J2005/068 ,  H01J19/82

Abstract: To easily obtain a quantity of received light with computation by only measuring pulses of an electric signal related to a flame sensor, a flame detecting system is disclosed comprising: a flame sensor to detect light and a calculating device, in which the calculating device includes an applied voltage generating portion configured to generate a pulse to drive the flame sensor, a voltage detecting portion configured to measure an electric signal flowing in the flame sensor, a storing portion configured to store sensitivity parameters of the flame sensor in advance, and a central processing unit configured to obtain a quantity of received light of a flame using parameters of a known quantity of received light, a pulse width, and a discharge probability of the sensitivity parameters, and a discharge probability obtained from an actual pulse width and the measured number of discharge times.

公开(公告)号：US2372017A

公开(公告)日：1945-03-20

申请号：US48298643

申请日：1943-04-14

Applicant: GEN ELECTRIC

Inventor： ROGERS GEORGE L

IPC: H01J19/82

CPC classification number: H01J19/82

公开(公告)号：US2163244A

公开(公告)日：1939-06-20

申请号：US8814136

申请日：1936-06-30

Applicant: BELL TELEPHONE LABOR INC

Inventor： KIRCHER REYMOND J

IPC: H01J19/82 ,  H01J21/20 ,  H03B9/01 ,  H03F1/16

CPC classification number: H03F1/16 ,  H01J19/82 ,  H01J21/20 ,  H01J2893/003 ,  H03B9/01

公开(公告)号：US1988271A

公开(公告)日：1935-01-15

申请号：US50790631

申请日：1931-01-10

Applicant: GEN ELECTRIC

Inventor： FITZ GERALD ALAN S

IPC: H01J19/82

CPC classification number: H01J19/82

公开(公告)号：US1883520A

公开(公告)日：1932-10-18

申请号：US26633828

申请日：1928-03-31

Applicant: BRECKEL HARRY F

Inventor： BRECKEL HARRY F

IPC: H01J19/82

CPC classification number: H01J19/82

公开(公告)号：US1799345A

公开(公告)日：1931-04-07

申请号：US72369424

申请日：1924-07-02

Applicant: GEN ELECTRIC VAPOR LAMP CO

Inventor： WINNINGHOFF WILFORD J

IPC: H01J19/82

CPC classification number: H01J19/82

公开(公告)号：US1699146A

公开(公告)日：1929-01-15

申请号：US59215822

申请日：1922-10-03

Applicant: GEN ELECTRIC

Inventor： HULL ALBERT W

IPC: H01J19/82 ,  H04B1/16

CPC classification number: H04B1/1623 ,  H01J19/82

公开(公告)号：US1605735A

公开(公告)日：1926-11-02

申请号：US8182626

申请日：1926-01-16

Applicant: WIRED RADIO INC

Inventor： HOUGH CLINTON W

IPC: H01J19/82

CPC classification number: H01J19/82

公开(公告)号：US09711287B2

公开(公告)日：2017-07-18

申请号：US14658794

申请日：2015-03-16

Applicant: Advanced Fusion Systems LLC

Inventor： Curtis A Birnbach

IPC: H01J9/04 ,  H01J35/06 ,  H01J35/08 ,  H01J35/16 ,  H01J21/10 ,  H05G1/22 ,  H01G4/35 ,  G05F1/10 ,  H01J5/02 ,  H01J7/16 ,  H01J19/82 ,  H02H9/02 ,  H02H3/08 ,  H02H9/08 ,  H01J19/24

CPC classification number: H01G4/35 ,  G05F1/10 ,  H01J5/02 ,  H01J7/16 ,  H01J19/24 ,  H01J19/42 ,  H01J19/54 ,  H01J19/70 ,  H01J19/82 ,  H01J21/10 ,  H02H3/08 ,  H02H9/02 ,  H02H9/08

Abstract: A high voltage, high current vacuum integrated circuit includes a common vacuum enclosure that includes at least two cold-cathode field emission electron tubes, and contains at least one internal vacuum pumping means, at least one exhaust tubulation, vacuum-sealed electrically-insulated feedthroughs, and internal electrical insulation. The cold-cathode field emission electron tubes are configured to operate at high voltage and high current and interconnected with each other to implement a circuit function.

公开(公告)号：US20170148605A1

公开(公告)日：2017-05-25

申请号：US15356564

申请日：2016-11-19

Applicant: Oregon Physics, LLC

Inventor： Paul P. Tesch ,  Gerald G. Magera

IPC: H01J19/10 ,  H01J21/06 ,  H01J19/068 ,  H01J19/38 ,  H01J19/32

CPC classification number: H01J19/10 ,  H01J19/068 ,  H01J19/32 ,  H01J19/38 ,  H01J19/82 ,  H01J21/06

Abstract: An electron emitter that consists of: a low work function material including Lanthanum hexaboride or Iridium Cerium that acts as an emitter, a cylinder base made of high work function material that has a cone shape where the low work function material is embedded in the high work function material but is exposed at end of the cone and the combined structure is heated and biased to a negative voltage relative to an anode, an anode electrode that has positive bias relative to the emitter, and a wehnelt electrode with an aperture where the cylindrical base protrudes through the wehnelt aperture so the end of the cone containing the emissive area is placed between the wehnelt and the anode.