Translating into Español. The English version is shown until it is ready.
Docomo and Hokkaido's Kaminokuni start trial of remotely monitored bear-control fence
En breve
NTT Docomo and Kaminokuni Town in Hokkaido began a joint demonstration on Oct 6 of a system that remotely monitors bear-control electric fences and automatically cuts power to a faulty section. The trial runs until Nov 30 at a forest site next to houses in the town, where a fence of about 200–300 m was installed last fiscal year after a bear sighting. The partners will check detection accuracy, whether unaffected sections keep working, and whether the system reduces maintenance work and psychological burden for town staff.
Leer la noticia completa 2 min de lectura
NTT Docomo and Kaminokuni Town in Hokkaido began a joint demonstration experiment on Oct 6 to test a system that supports the stable operation of bear-control electric fences, the two parties said. The experiment is scheduled to run until Nov 30. [ 1 , 2 , 3 ]
The system Docomo developed retrofits pole-type devices onto an existing electric fence and monitors the voltage of each section remotely, Keitai Watch and Mynavi News reported. When a voltage drop is detected, the system identifies the affected section and a relay device — an electronic component that switches a circuit on and off — cuts power to that section. Power to the remaining, normally operating sections is maintained, which the reports say prevents the whole fence from losing its function. [ 1 , 3 ]
According to the reports, electric fences give animals a mild electric stimulus on contact and are used to separate human and wildlife living areas, but stable voltage requires continued inspection and management. Leaks caused by contact with dense vegetation or wild animals, or by broken wires, can lower voltage and stop the stimulus needed to keep animals out. Because voltage is shared across the whole fence, a fault in one part can reduce voltage everywhere. Isolating only the faulty section is intended to keep the rest of the fence at the required voltage and reduce the burden of maintaining it, the reports said. [ 1 , 3 ]
The test site is a forest area next to houses in Kaminokuni, Hiyama District, Hokkaido, where a fence was installed last fiscal year after a bear sighting, according to the reports. The fence covered by the experiment has a total length of about 200–300 m. Town employees will use the system for remote monitoring, checking conditions when a fault occurs, and recovery work. [ 1 , 2 , 3 ]
The demonstration will verify the accuracy of detecting leak points, whether other sections keep working after a fault or voltage drop is isolated, effective operating methods, the reduction in human work for patrols and locating faults, and the easing of psychological burden through stable operation, the reports said. Kaminokuni Town is providing the site and will evaluate operability and effectiveness for wildlife damage control from the user's perspective, while Docomo developed and provides the system and handles overall experiment planning, technical support, and data collection and analysis, Keitai Watch reported. [ 1 , 2 , 3 ]
Por qué importa
Electric fences separate residential areas from bears, and the documents say a fault from vegetation or animal contact can lower voltage across the whole fence. If the demonstration shows that isolating a faulty section keeps the rest of the fence working, towns would have a way to run such fences with less patrolling and management work. The documents give no results, cost figures or rollout plans, so any effect beyond the trial period is unstated.
Datos clave
- NTT Docomo and Kaminokuni Town in Hokkaido began a joint demonstration experiment on Oct 6, 2026, scheduled to run until Nov 30, 2026. [ 1 , 2 , 3 ]
- Pole-type devices are retrofitted to an existing electric fence to monitor the voltage of each section remotely. [ 1 , 3 ]
- When a voltage drop is detected, the system identifies the affected section and a relay device cuts power to only that section, so other sections keep operating. [ 1 , 3 ]
- The test site is a forest area next to houses in Kaminokuni, Hiyama District, Hokkaido, where a fence about 200–300 m long was installed last fiscal year after a bear sighting. [ 1 , 3 ]
- Kaminokuni Town employees will use the system for remote monitoring, checking conditions when a fault occurs, and recovery work. [ 1 , 3 ]
- The experiment will verify leak-detection accuracy, whether other sections keep functioning after a fault is isolated, effective operating methods, reduced patrol and management work, and reduced psychological burden. [ 1 , 3 ]
- Kaminokuni Town provides the site and evaluates usability and effectiveness for wildlife damage control; Docomo developed and provides the system and handles experiment planning, technical support, and data collection and analysis. [ 1 ]
Confirmado por varias fuentes
- NTT Docomo and Kaminokuni Town began a joint demonstration experiment on Oct 6, 2026, running until Nov 30, 2026. [ 1 , 2 , 3 ]
- The system remotely monitors voltage on each section of an existing electric fence and automatically cuts power to a faulty section using a relay device. [ 1 , 2 , 3 ]
- The test site is a forest area next to houses in Kaminokuni, Hokkaido, where a fence about 200–300 m long was installed last fiscal year after a bear sighting. [ 1 , 3 ]
- The experiment aims to reduce the maintenance workload and psychological burden of fence management. [ 1 , 2 , 3 ]
Aún sin aclarar
- Whether the system detects leaks accurately and keeps healthy fence sections powered in practice. The documents describe these as points the demonstration will verify, so no results are available yet.
- Cost, commercialization plans or wider deployment beyond the trial. None of the documents state cost or future rollout plans.
- The current bear situation around Kaminokuni beyond the sighting that prompted the fence. Only a bear sighting last fiscal year is mentioned; current conditions are not described.
Qué dicen los medios locales
Cronología, hora local
- Keitai Watch reports the joint demonstration by NTT Docomo and Kaminokuni Town, citing the Oct 6–Nov 30 period and describing remote voltage monitoring and automatic isolation of a faulty section. [ 1 ]
- ITmedia reports the same joint experiment, saying the system monitors fence voltage and isolates leaking sections so other sections keep working. [ 2 ]
- Mynavi News reports the start of the demonstration and adds details on the site, the town employees' role and the items to be verified. [ 3 ]