EP3783736A4 - Directional coupler and microwave heating device provided with same - Google Patents

Directional coupler and microwave heating device provided with same Download PDF

Info

Publication number
EP3783736A4
EP3783736A4 EP19788616.1A EP19788616A EP3783736A4 EP 3783736 A4 EP3783736 A4 EP 3783736A4 EP 19788616 A EP19788616 A EP 19788616A EP 3783736 A4 EP3783736 A4 EP 3783736A4
Authority
EP
European Patent Office
Prior art keywords
same
heating device
device provided
directional coupler
microwave heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19788616.1A
Other languages
German (de)
French (fr)
Other versions
EP3783736B1 (en
EP3783736A1 (en
Inventor
Masayuki Kubo
Koji Yoshino
Masafumi Sadahira
Hideki Nakamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP3783736A1 publication Critical patent/EP3783736A1/en
Publication of EP3783736A4 publication Critical patent/EP3783736A4/en
Application granted granted Critical
Publication of EP3783736B1 publication Critical patent/EP3783736B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced with unbalanced lines or devices
    • H01P5/107—Hollow-waveguide/strip-line transitions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/70—Feed lines
    • H05B6/707—Feed lines using waveguides
    • H05B6/708—Feed lines using waveguides in particular slotted waveguides
EP19788616.1A 2018-04-20 2019-04-15 Directional coupler and microwave heating device provided with same Active EP3783736B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018081499 2018-04-20
PCT/JP2019/016074 WO2019203170A1 (en) 2018-04-20 2019-04-15 Directional coupler and microwave heating device provided with same

Publications (3)

Publication Number Publication Date
EP3783736A1 EP3783736A1 (en) 2021-02-24
EP3783736A4 true EP3783736A4 (en) 2021-06-16
EP3783736B1 EP3783736B1 (en) 2023-11-22

Family

ID=68239453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19788616.1A Active EP3783736B1 (en) 2018-04-20 2019-04-15 Directional coupler and microwave heating device provided with same

Country Status (4)

Country Link
EP (1) EP3783736B1 (en)
JP (2) JP7178563B2 (en)
CN (1) CN111033889B (en)
WO (1) WO2019203170A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3930095B1 (en) * 2019-02-22 2023-09-06 Panasonic Intellectual Property Management Co., Ltd. Microwave heating device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1548818A1 (en) * 1987-12-03 1990-03-07 Предприятие П/Я А-1845 Directional coupler
US5668558A (en) * 1995-03-31 1997-09-16 Daewoo Electronics Co., Ltd. Apparatus capable of receiving circularly polarized signals
US20050163456A1 (en) * 2002-01-24 2005-07-28 Marco Munk Waveguide to microstrip transition
US20150244055A1 (en) * 2013-01-31 2015-08-27 Panasonic Intellectual Property Management Co., Ltd. Directional coupler and microwave heater provided with the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4848362A (en) * 1986-12-15 1989-07-18 Larsen Lawrence E Apparatus and method for diathermy treatment and control
CN102315507B (en) * 2011-07-07 2014-08-13 中国科学院等离子体物理研究所 High-power waveguide directional coupler
CN102773055B (en) * 2012-05-22 2015-01-07 北京众诚汇微能源科技有限公司 Microwave heating device and application thereof
CN104676670A (en) * 2014-05-28 2015-06-03 广东美的厨房电器制造有限公司 Semiconductor microwave oven and semiconductor microwave source thereof
US10176431B2 (en) * 2016-03-02 2019-01-08 University Of Maryland, College Park Low-noise, ultra-low temperature dissipative devices
WO2019203171A1 (en) 2018-04-20 2019-10-24 パナソニックＩｐマネジメント株式会社 Microwave heating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1548818A1 (en) * 1987-12-03 1990-03-07 Предприятие П/Я А-1845 Directional coupler
US5668558A (en) * 1995-03-31 1997-09-16 Daewoo Electronics Co., Ltd. Apparatus capable of receiving circularly polarized signals
US20050163456A1 (en) * 2002-01-24 2005-07-28 Marco Munk Waveguide to microstrip transition
US20150244055A1 (en) * 2013-01-31 2015-08-27 Panasonic Intellectual Property Management Co., Ltd. Directional coupler and microwave heater provided with the same

Also Published As

Publication number Publication date
JP7178563B2 (en) 2022-11-28
JP2022189917A (en) 2022-12-22
JPWO2019203170A1 (en) 2021-05-13
EP3783736B1 (en) 2023-11-22
EP3783736A1 (en) 2021-02-24
CN111033889B (en) 2021-10-08
WO2019203170A1 (en) 2019-10-24
CN111033889A (en) 2020-04-17
JP7454770B2 (en) 2024-03-25

Similar Documents

Publication Publication Date Title
EP3747289B8 (en) Microwave heating unit and method
GB2591887B (en) Microwave device and antenna
EP3917281A4 (en) Heating device and refrigerator having same
EP3701770A4 (en) Microwave, display device and cooking system including the same
EP3419383A4 (en) Microwave heating device
EP3521866A4 (en) Terahertz metamaterial waveguide and device
EP3778271A4 (en) Vehicle heating device, and vehicle provided with vehicle heating device
EP3717944A4 (en) Waveguide and sensor based on same
EP3872430A4 (en) Heating device and refrigerator equipped with heating device
EP3905847A4 (en) Heating device and refrigerator having same
EP3367751A4 (en) Microwave heating device
EP3637543A4 (en) Transmission line and post-wall waveguide
EP3569833A4 (en) Catalyst heating device and heating device
EP3869909A4 (en) Heater and stage
EP2953204A4 (en) Directional coupler and microwave heating device equipped with same
EP3552217A4 (en) Low loss electrical transmission mechanism and antenna using same
EP3435737A4 (en) Microwave heating device
GB2572763B (en) Waveguide and antenna
EP3760508A4 (en) Coupler telescopic apparatus and coupler
EP3760149A4 (en) Non-puncture type microwave ablation antenna and application thereof
EP3928430A4 (en) Directional coupler and electronic device having the same
EP3503681A4 (en) High-frequency heating device
EP3783736A4 (en) Directional coupler and microwave heating device provided with same
EP3778273A4 (en) Vehicle heating device and vehicle provided with vehicle heating device
EP3651179A4 (en) Magnetron and microwave heating device equipped with same

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201016

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20210517

RIC1 Information provided on ipc code assigned before grant

Ipc: H01P 5/18 20060101AFI20210510BHEP

Ipc: H05B 6/70 20060101ALI20210510BHEP

Ipc: H01P 5/107 20060101ALI20210510BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230628

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: DE

Ref legal event code: R096

Ref document number: 602019041959

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20231122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240322

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231122

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1634705

Country of ref document: AT

Kind code of ref document: T

Effective date: 20231122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231122